Home / 86,090.55-129,135.66-22,910.69

Finding the Fourth Proportional to 86,090.55, 129,135.66 and 22,910.69

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Solution

The fourth proportional to 86,090.55, 129,135.66 and 22,910.69 is: 34,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,090.55 : 129,135.66 = 22,910.69 : x
  2. Step 2: Convert to fraction form
    86,090.55/129,135.66 = 22,910.69/x
  3. Step 3: Cross multiply
    86,090.55x = 129,135.66 × 22,910.69
  4. Step 4: Simplify right side
    86,090.55x = 2,958,586,428.53
  5. Step 5: Solve for x
    x = 2,958,586,428.53/86,090.55
  6. Step 6: Final answer
    x = 34,365.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.